:root {
  --el-color-primary: #00f2fe;
  --el-color-primary-hover: #38bdf8;
  --el-color-primary-dark: #0284c7;
  --accent-purple: #7928ca;
  --accent-pink: #ff007a;
  --color-up: #00f5a0;
  --color-down: #ff4d4d;
  --bg-main: #090d16;
  --bg-card: #131926;
  --bg-card-hover: #1a2234;
  --bg-dark: #060911;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-radius: 12px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  outline: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
}

input:focus, select:focus {
  border-color: var(--el-color-primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

/* App Container Layout */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Navbar */
.navbar {
  height: 70px;
  background: rgba(19, 25, 38, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
}

.navbar .brand img.logo-img {
  height: 38px;
  width: auto;
}

.navbar .brand span.logo-tag {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(121, 40, 202, 0.2));
  border: 1px solid var(--el-color-primary);
  color: var(--el-color-primary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 1px;
  font-weight: 700;
}

.navbar .nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.navbar .nav-item {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  transition: all 0.2s;
  position: relative;
  padding: 8px 0;
  cursor: pointer;
}

.navbar .nav-item:hover, .navbar .nav-item.active {
  color: var(--el-color-primary);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.navbar .nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--el-color-primary), var(--accent-purple));
  box-shadow: 0 0 8px var(--el-color-primary);
}

.navbar .user-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #00f2fe 0%, #0284c7 100%);
  color: #000;
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.6);
}

.btn-dark {
  background: linear-gradient(135deg, #7928ca 0%, #ff007a 100%);
  color: #fff;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 700;
  box-shadow: 0 0 15px rgba(121, 40, 202, 0.4);
}

.btn-dark:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(121, 40, 202, 0.7);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 100px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--el-color-primary);
  color: var(--el-color-primary);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

/* Mobile Bottom Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(19, 25, 38, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  z-index: 1000;
}

.mobile-nav-items {
  display: flex;
  height: 100%;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  gap: 3px;
  cursor: pointer;
}

.mobile-nav-item.active {
  color: var(--el-color-primary);
  text-shadow: 0 0 8px var(--el-color-primary);
}

.mobile-nav-item svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* Main Content Container */
.page-container {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* Cards & Widgets */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 24px;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
}

/* Data Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.data-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  padding: 12px 16px;
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table.data-table td {
  padding: 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
}

table.data-table tr:hover {
  background-color: var(--bg-card-hover);
}

.price-up {
  color: var(--color-up);
  font-weight: 700;
}

.price-down {
  color: var(--color-down);
  font-weight: 700;
}

/* Tabs */
.tabs-header {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tab-btn {
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  background: transparent;
  border: none;
  position: relative;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--el-color-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--el-color-primary);
  box-shadow: 0 0 8px var(--el-color-primary);
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: rgba(0, 245, 160, 0.15);
  color: var(--color-up);
  border: 1px solid rgba(0, 245, 160, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(255, 77, 77, 0.15);
  color: var(--color-down);
  border: 1px solid rgba(255, 77, 77, 0.3);
}

.badge-info {
  background: rgba(0, 242, 254, 0.15);
  color: var(--el-color-primary);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 90%;
  max-width: 540px;
  padding: 28px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
}

/* Grid System */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* Form Styles */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-sub); margin-bottom: 6px; }
.form-control { width: 100%; padding: 12px; border: 1px solid var(--border-color); background: rgba(255, 255, 255, 0.05); color: #fff; border-radius: 8px; font-size: 14px; }

/* Toast Notifications */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 3000; display: flex; flex-direction: column; gap: 10px; }
.toast { background: #1e293b; color: #fff; padding: 12px 20px; border-radius: 8px; font-size: 14px; border: 1px solid var(--border-color); box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
.toast.success { border-color: var(--color-up); color: var(--color-up); }
.toast.error { border-color: var(--color-down); color: var(--color-down); }
.toast.info { border-color: var(--el-color-primary); color: var(--el-color-primary); }

/* Footer Styling */
.footer { background: var(--bg-dark); border-top: 1px solid var(--border-color); padding: 40px; margin-top: auto; }
.footer-links { display: flex; justify-content: center; gap: 32px; margin-bottom: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-sub); font-size: 14px; cursor: pointer; }
.footer-links a:hover { color: var(--el-color-primary); }
.footer-copy { text-align: center; color: var(--text-muted); font-size: 13px; }

/* Responsive Rules */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .navbar .nav-links { display: none; }
  .mobile-nav { display: block; z-index: 2000; }
  .page-container { padding: 16px 12px 90px 12px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .toast-container { top: 12px; left: 16px; right: 16px; width: auto; }
  .toast { text-align: center; }
  .modal-content { width: 92%; padding: 20px 16px; max-height: 85vh; }
  .footer { padding: 30px 16px 100px 16px; }
  .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.data-table { min-width: 650px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .market-search { width: 100%; max-width: 100% !important; }
  .market-search input { max-width: 100% !important; width: 100% !important; }
}

/* Hero dark-bg outline button override */
.home-hero .btn-outline { border-color: rgba(255,255,255,0.3); color: #ffffff; }
.home-hero .btn-outline:hover { border-color: var(--el-color-primary); background: rgba(0,242,254,0.1); color: var(--el-color-primary); }

button:disabled { opacity: 0.5; cursor: not-allowed; }